As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CREW REPORTS: FMC N1 T/O SPLIT24/35 RIGHT 95.6 LEFT 96.5, RIGHT HAND PACK NOT COMMING ON AND A SPLIT BETWEEN THE LEFT HAND AND RIGHT HAND ENGINES. AIRCRAFT RETURNED TO GATE. REPLACED RIGHT PACK RAM AIR INLET DOOR ACTUATOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-52-21